Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12153325 | Wavelength converter | Koji Embutsu, Takeshi Umeki, Osamu Tadanaga, Takahiro Kashiwazaki, Takushi Kazama +1 more | 2024-11-26 |
| 12085836 | Optical amplifier | Takushi Kazama, Takeshi Umeki, Takahiro Kashiwazaki, Osamu Tadanaga, Koji Embutsu +2 more | 2024-09-10 |
| 12032269 | Wavelength conversion apparatus | Koji Embutsu, Osamu Tadanaga, Takeshi Umeki, Asuka Inoue, Ryoichi Kasahara +2 more | 2024-07-09 |
| 11960152 | Method for adjusting transmitted wavelength of signal light transmitted through optical waveguide device | Katsuhiko Hirabayashi, Satomi Katayose, Ryoichi Kasahara | 2024-04-16 |
| 11888528 | Optical communication system | Takushi Kazama, Takeshi Umeki, Takahiro Kashiwazaki, Osamu Tadanaga, Koji Embutsu +2 more | 2024-01-30 |